Soil and Water Conservation in China 1999 Issue 11 shui tu liu shi dong tai jian ce yu ping jia yan jiu xian zhuang yu wen ti

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Soil and Water Conservation in China
1000-0941
1999 Issue 11

shui tu liu shi dong tai jian ce yu ping jia yan jiu xian zhuang yu wen ti
li rui

..............page:31-33

huang tu gao yuan shui tu bao chi zai huang he liu yu shui zi yuan kai fa li yong zhong de di wei he zuo yong

..............page:28-31

huang tu gao yuan sheng tai huan jing jian she yao zhu zhong ke xue he fu he zi ran gui lv
wang zheng qiu

..............page:12-13